Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume,tolerance=1e-09,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume") translateModel(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume,tolerance=1e-09,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007827/0.0007827, allocations: 97.39 kB / 16.02 MB, free: 76 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.000828/0.000828, allocations: 183.7 kB / 16.92 MB, free: 6.707 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.4/1.4, allocations: 223.2 MB / 241 MB, free: 5.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001955/0.001955, allocations: 274 kB / 292.3 MB, free: 1.871 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.009/1.009, allocations: 169.5 MB / 0.501 GB, free: 14.12 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00044/0.00044, allocations: 15.77 kB / 0.5993 GB, free: 28.2 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1767/0.1771, allocations: 88.55 MB / 0.6858 GB, free: 15.05 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume): time 0.6594/0.8365, allocations: 237.2 MB / 0.9174 GB, free: 2.715 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.02239/0.859, allocations: 15.91 MB / 0.9329 GB, free: 2.766 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003016/0.8621, allocations: 71.5 kB / 0.933 GB, free: 2.695 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.003145/0.8652, allocations: 1.018 MB / 0.934 GB, free: 1.672 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.009945/0.8752, allocations: 3.599 MB / 0.9375 GB, free: 14.06 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004533/0.8797, allocations: 1.618 MB / 0.9391 GB, free: 12.45 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008744/0.8885, allocations: 7.437 MB / 0.9464 GB, free: 5 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002599/0.8911, allocations: 1.379 MB / 0.9477 GB, free: 3.586 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005732/0.8968, allocations: 2.303 MB / 0.95 GB, free: 1.273 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00421/0.9011, allocations: 1.73 MB / 0.9516 GB, free: 15.54 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0005201/0.9016, allocations: 88 kB / 0.9517 GB, free: 15.46 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006263/0.9079, allocations: 3.129 MB / 0.9548 GB, free: 12.32 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001223/0.9091, allocations: 0.6697 MB / 0.9554 GB, free: 11.65 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.002457/0.9116, allocations: 1.067 MB / 0.9565 GB, free: 10.57 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.005011/0.9166, allocations: 2.576 MB / 0.959 GB, free: 7.988 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 6.362e-06/0.9166, allocations: 4 kB / 0.959 GB, free: 7.984 MB / 0.67 GB Notification: Performance of FrontEnd: time 4.007e-06/0.9167, allocations: 4 kB / 0.959 GB, free: 7.98 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001508/0.9168, allocations: 0 / 0.959 GB, free: 7.98 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 363 * Number of variables: 363 Notification: Performance of Generate backend data structure: time 0.00621/0.923, allocations: 2.114 MB / 0.9611 GB, free: 5.812 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.161e-05/0.9231, allocations: 8.031 kB / 0.9611 GB, free: 5.805 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003312/0.9264, allocations: 0.5049 MB / 0.9616 GB, free: 5.297 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002838/0.9293, allocations: 1.284 MB / 0.9628 GB, free: 3.957 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002037/0.9295, allocations: 170.2 kB / 0.963 GB, free: 3.777 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003568/0.9298, allocations: 148 kB / 0.9631 GB, free: 3.633 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003536/0.9334, allocations: 1.757 MB / 0.9648 GB, free: 1.801 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.497e-05/0.9335, allocations: 4 kB / 0.9648 GB, free: 1.797 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001584/0.9336, allocations: 56 kB / 0.9649 GB, free: 1.742 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.558e-05/0.9337, allocations: 66.69 kB / 0.965 GB, free: 1.676 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002874/0.9366, allocations: 1.392 MB / 0.9663 GB, free: 284 kB / 0.67 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009599/0.9462, allocations: 8.21 MB / 0.9743 GB, free: 7.367 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00153/0.9477, allocations: 0.9172 MB / 0.9752 GB, free: 6.445 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008406/0.9486, allocations: 0.5424 MB / 0.9758 GB, free: 5.902 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006018/0.9492, allocations: 336.4 kB / 0.9761 GB, free: 5.52 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.597e-05/0.9493, allocations: 47.55 kB / 0.9761 GB, free: 5.461 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=96): time 2.846e-06/0.9493, allocations: 0 / 0.9761 GB, free: 5.461 MB / 0.6856 GB Notification: Performance of matching and sorting (n=102): time 0.006996/0.9563, allocations: 3.176 MB / 0.9792 GB, free: 2.234 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.524e-05/0.9563, allocations: 64.41 kB / 0.9793 GB, free: 2.16 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001687/0.958, allocations: 1.258 MB / 0.9805 GB, free: 0.8945 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 9.883e-05/0.9581, allocations: 49.7 kB / 0.9806 GB, free: 0.8398 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005714/0.9587, allocations: 0.8133 MB / 0.9814 GB, free: 16 kB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003259/0.959, allocations: 374.7 kB / 0.9817 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001262/0.9592, allocations: 101.6 kB / 0.9818 GB, free: 15.54 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001317/0.9593, allocations: 353.9 kB / 0.9822 GB, free: 15.19 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008053/0.9601, allocations: 450.4 kB / 0.9826 GB, free: 14.75 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001148/0.9613, allocations: 0.8339 MB / 0.9834 GB, free: 13.75 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001917/0.9632, allocations: 1.268 MB / 0.9846 GB, free: 12.36 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.524e-06/0.9632, allocations: 7.938 kB / 0.9846 GB, free: 12.35 MB / 0.7012 GB Notification: Performance of matching and sorting (n=150) (initialization): time 0.002543/0.9658, allocations: 1.429 MB / 0.986 GB, free: 10.91 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 0.000269/0.9661, allocations: 365.5 kB / 0.9864 GB, free: 10.43 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.554e-05/0.9661, allocations: 8 kB / 0.9864 GB, free: 10.42 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.85e-05/0.9661, allocations: 16 kB / 0.9864 GB, free: 10.4 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001107/0.9672, allocations: 287.5 kB / 0.9867 GB, free: 10.12 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.569e-05/0.9673, allocations: 23.92 kB / 0.9867 GB, free: 10.1 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001743/0.969, allocations: 180.9 kB / 0.9869 GB, free: 9.922 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.68e-05/0.9691, allocations: 48 kB / 0.9869 GB, free: 9.875 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 1.233e-05/0.9692, allocations: 7.938 kB / 0.9869 GB, free: 9.867 MB / 0.7012 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002077/0.9712, allocations: 1.242 MB / 0.9881 GB, free: 8.625 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.154e-05/0.9713, allocations: 8 kB / 0.9882 GB, free: 8.617 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.633e-05/0.9713, allocations: 16 kB / 0.9882 GB, free: 8.602 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00104/0.9723, allocations: 283.6 kB / 0.9884 GB, free: 8.324 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.778e-05/0.9724, allocations: 24.3 kB / 0.9885 GB, free: 8.301 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001687/0.9741, allocations: 175.7 kB / 0.9886 GB, free: 8.129 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.911e-05/0.9742, allocations: 48 kB / 0.9887 GB, free: 8.082 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * Number of states: 0 () * Number of discrete variables: 4 (vol.regularFlow[1],vol.regularFlow[2],vol.inFlow[2],vol.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (150): * Single equations (assignments): 150 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0008461/0.975, allocations: 0.5083 MB / 0.9892 GB, free: 7.562 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000331/0.9754, allocations: 166 kB / 0.9893 GB, free: 7.398 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002308/0.9777, allocations: 1.178 MB / 0.9905 GB, free: 6.211 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.192e-05/0.9777, allocations: 8 kB / 0.9905 GB, free: 6.203 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.662e-06/0.9777, allocations: 3.938 kB / 0.9905 GB, free: 6.199 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001665/0.9794, allocations: 1.103 MB / 0.9916 GB, free: 5.043 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004706/0.9841, allocations: 2.797 MB / 0.9943 GB, free: 2.164 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.088e-06/0.9841, allocations: 4.219 kB / 0.9943 GB, free: 2.16 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001135/0.9852, allocations: 247.7 kB / 0.9945 GB, free: 1.918 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.771e-05/0.9853, allocations: 8 kB / 0.9946 GB, free: 1.91 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.456e-05/0.9854, allocations: 27.98 kB / 0.9946 GB, free: 1.883 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.022e-05/0.9854, allocations: 11.94 kB / 0.9946 GB, free: 1.871 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.435e-06/0.9854, allocations: 0 / 0.9946 GB, free: 1.871 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002814/0.9882, allocations: 1.797 MB / 0.9963 GB, free: 36 kB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007285/0.9889, allocations: 335 kB / 0.9967 GB, free: 15.69 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002536/0.9892, allocations: 27.98 kB / 0.9967 GB, free: 15.66 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001336/0.9905, allocations: 149.8 kB / 0.9968 GB, free: 15.52 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000147/0.9907, allocations: 68.94 kB / 0.9969 GB, free: 15.45 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.587e-05/0.9908, allocations: 35.98 kB / 0.9969 GB, free: 15.41 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.0011/0.9919, allocations: 0.8426 MB / 0.9978 GB, free: 14.57 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.3e-07/0.9919, allocations: 192 / 0.9978 GB, free: 14.57 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.002084/0.994, allocations: 0.7656 MB / 0.9985 GB, free: 13.81 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 9 (vol1.dynBal.medium.Xi[1],vol1.dynBal.U,vol1.dynBal.m,vol.medium.Xi[1],vol.medium.T,vol.m,vol2.dynBal.medium.Xi[1],vol2.dynBal.U,vol2.dynBal.m) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (102): * Single equations (assignments): 102 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0006239/0.9946, allocations: 283.7 kB / 0.9988 GB, free: 13.53 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.003193/0.9978, allocations: 1.755 MB / 1 GB, free: 11.78 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 6.552e-06/0.9978, allocations: 4 kB / 1 GB, free: 11.78 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.0008586/0.9987, allocations: 0.5297 MB / 1.001 GB, free: 11.25 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005106/1.004, allocations: 0.9742 MB / 1.002 GB, free: 10.28 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006813/1.011, allocations: 4.435 MB / 1.006 GB, free: 5.785 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001154/1.012, allocations: 1.441 MB / 1.008 GB, free: 4.309 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004814/1.012, allocations: 139.4 kB / 1.008 GB, free: 4.172 MB / 0.7169 GB Notification: Performance of SimCode: time 8.22e-07/1.012, allocations: 0 / 1.008 GB, free: 4.172 MB / 0.7169 GB Notification: Performance of Templates: time 0.04408/1.056, allocations: 26.54 MB / 1.034 GB, free: 9.848 MB / 0.7481 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume.makefile make -j1 -f BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolume.makefile clang++ -std=c++14 NOTFOUND -Winvalid-pch -O2 -g -DNDEBUG -fPIC -std=c++11 -DBOOST_ALL_DYN_LINK -DUSE_DGESV -DUSE_LOGGER -DOMC_BUILD -DUSE_THREAD -DSUNDIALS_MAJOR_VERSION=5 -DSUNDIALS_MINOR_VERSION=4 -DPMC_USE_SUNDIALS -I"." -I"/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../include/omc/cpp/" -I. "-I/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Resources/C-Sources" -I"." -I"." -I"/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/include/omc/sundials" "-I/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Resources/C-Sources" -DMEASURETIME_PROFILEBLOCKS -DUSE_LOGGER -c -o OMCppBuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeCalcHelperMain.o OMCppBuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeCalcHelperMain.cpp clang: error: no such file or directory: 'NOTFOUND' make: *** [: OMCppBuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeCalcHelperMain.o] Error 1